Description

2,3-Di-tert-Butoxy-4-Hydroxy-2-Cyclobuten-1-One is a specialized, high-purity cyclobutenedione derivative that serves as a critical synthetic intermediate. Its unique structure, featuring protected hydroxyl and ketone functionalities, makes it a valuable building block for constructing complex organic molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require precise and reliable intermediates for complex synthesis.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for complex heterocyclic compounds.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, leveraging its reactive cyclobutenone core.
• Organic Synthesis Reagent: Serves as a versatile precursor for Diels-Alder reactions and other cycloadditions to create novel ring systems in academic and industrial R&D.
• Material Science Research: Investigated as a monomer or cross-linking agent for the development of specialty polymers with unique thermal or optical properties.
• Fine Chemical Production: Employed in the multi-step synthesis of flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	2,3-Di-tert-Butoxy-4-Hydroxy-2-Cyclobuten-1-One
CAS No.	144791-02-6
Molecular Formula	C₁₂H₂₀O₅
Molecular Weight	244.28 g/mol
Synonyms	4-Hydroxy-2,3-di-tert-butoxy-2-cyclobuten-1-one; Di-tert-butyl squarate; 3,4-Di-tert-butoxy-3-cyclobutene-1,2-dione; 2,3-Di-tert-butoxy-4-hydroxycyclobut-2-enone; Squaric acid di-tert-butyl ester; DTB-Square; 2-Cyclobuten-1-one, 4-hydroxy-2,3-bis(1,1-dimethylethoxy)-
EINECS	Contact for details

Quality Control

Our 2,3-Di-tert-Butoxy-4-Hydroxy-2-Cyclobuten-1-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for advanced synthetic applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.